Why does only one sperm fertilize the egg, and why is this important?

Q: Which is a triploid tissue? How is the condition achieved in a fertilized ovule?

A: Anther produces pollen grains which lands on the stigma of the pistil with the help of biotic and…

Q: What is the ovum doing during the primary oocyte stage?

A:

Q: what structure contains enzymes needed by sperm to penetrate an oocyte?

A: Fertilization takes place when nuclei of both sperm and an oocyte fuse. Initially, a sperm must fuse…

Q: What is an ovule?

A: The group of autotrophic organisms that have eukaryotic cells composing of cell walls is known as…

Q: Why fertlization doesnot takes place if the sperm count is lower?

A: The man's body makes tiny cells called sperm. During sex, ejaculation normally delivers the sperm…

Q: Where does fertilisation occur in human beings?

A: Fertilization is the process by which occurs when the male and the female gametes fuse together to…

Q: If it takes just one sperm to fertilize an egg,why do males make so many?

A: During fertilization, the head of sperm binds to the zona pellucida layer of egg and induce acrosome…

Q: Where are egg cells produced in a woman’s reproductive system? ____   Where does fertilization…

A: The biological system of an organism's reproductive system, also known as the genital system, is…

Q: How are the ovum and spermatozoa transported to the site of fertilisation? Describe the process of…

A: Fertilization is a natural life process that involves the union of male and female gametes,…

Q: What do you think would happen if multiple sperm fused with one egg?

A: A pregnancy begins with preparation when a lady's egg gets together with a man's sperm. Preparation…

Q: Why should the sperm shrink into an elongated cell with a tail while the egg grows enormously?

A: Introduction :- Most animals generate sperm, also known as spermatozoon or spermatozoa, a male…

Q: How old is an ovulated oocyte of a 35-year-old woman? What consequences does this have?

A: Fertility changes with age. For a woman, the beginning of their reproductive year starts onset of…

Q: How is labor induced if a woman’s pregnancy extends past her due date?

A: Labor is a term used for the pain experienced by a woman before parturition. Hormonal actions result…

Q: Which part of a sperm cell contains enzymes that help the sperm cell fertilize a secondary oocyte?

A: Fertilization is the process of fusion of male and female gametes that result in the formation of a…

Q: A female egg cell has two outer membranes how does the egg cell prevent polyspermy? if polyspermy…

A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…

Q: What happens in the process of spermiogenesis?

A: Spermatogenesis is the formation of a haploid and functional male gametes (i.e — spermatozoa) from…

Q: What is the differences between Mammals and Frogs in Spermatogenesis?

A: Gametogenesis is the process of manufacturing gametes or daughter cells in gamete-producing mother…

Q: What determines whether an embryo will develop into a male or a female?

A: The process of fertilization is the union of male and female gametes. It results in the formation of…

Q: How is an egg (oocyte) prepared during oogenesis for fertilization? Why is preparation essential to…

A: Oogenesis is defined as the process by which the female sex cells or ova or egg cells are produced.…

Q: What is the significance of gastrulation?

A: Gastrulation is the embryonic stage in which all the germinal layers are being developed. It is a…

Q: What are the steps in spermiogenesis?

A: The genital system comprises many organs that engage in sexual reproduction.

Q: If the egg is NOT fertilized, the lining of the uterus will shed.  This is called?

A: In the event that the egg is fertilised by a sperm cell as it goes down the fallopian tube,…

Q: .What type of abnormality in the sperm that fertilizes a normal egg will produce an XYY zygote? What…

A: XYY syndrome or Jacob's syndrome  . This condition 47 ( or 46Y) is seen in male .  It is not…

Q: Where does the fertilization of a human egg normally take place?

A: Fertilization is the process of combining haploid gametes (egg and sperm) to produce a diploid…

Q: Why is the ovary the most essential female reproductive organ?

A: Reproductive system is the organ system that is aimed at producing gametes. Female reproductive…

Q: Why the polar bodies cannot be fertilized by sperms?

A: A polar body is a tiny haploid cell that forms during oogenesis at about the same moment as an egg…

Q: What is this condition that results if the fertilized egg fails to descend down to the uterus?

A: Reproduction is the process by which an organism creates more of its own progeny. Reproduction is…

Q: What happens if fertilization takes place in utreus?

A: Reproductive system (or genital system) is used for the sexual reproduction. The female attains…

Q: Despite the presence of So many sperms in the vicinity of an egg cell, only one sperm enters the…

A: Fertilization is a process in which male and female gametes fuse to form a zygote. This zygote…

Q: What happens if the mature ovum is not fertilized in a female? Name the process.

A: Reproductive system of an organism is also called a genital system. It is a biological system made…

Q: If there are 7 spermatogonium that will undergo cell division, how many primary spermatozoa will be…

A: Spermatogenesis is the process of producing sperms from spermatogonium in the seminiferous tubules…

Q: How long does it take for the embryo to implant into the uterine wall ?

A: The sperm of male fertilized the ovum of the female results in formation of the zygote. Sperm is…

Q: Why is it necessary for the egg to have changes leading to polyspermy block during fertilization?

A: Polyspermy is a lethal condition in which one egg is feritilized by more than one sperm

Q: Why does corpus luteum stay active throughout pregnancy and in the absence of fertilization, is…

A: Introduction We will answer the question in below step.

Q: Where does fertilization normally takes place in a human female.

A: Fertilization is the process of fusion of female gamete (ovum) and male gamete (sperm). Both the…

Q: What specifically will happen if multiple sperm were able to fertilize one egg during fertilization?

A: It can lead to  polyspermy. When the sperm fuses with the egg, it triggers the release of calcium…

Q: How does amount of yolk affect cleavage? Compare cleavage in a sea star with that in a bird

A: Fertilization is the process of fusion between haploid male and female gametes to form diploid…

Q: What is sperm aneuploidy?

A: Aneuploidy is defined as the abnormal chromosome number in contrast to the usual chromosome number…

Q: How are the events that take place in spermatogenesis and oogenesis similar? How are they different?

A: Spermatogenesis and oogenesis are the cycles of arrangement of male and female gametes.…

Q: What are the functions of the INTERSTITIAL CELLS and SERTOLI CELLS in sperm development?

A: In males the testis is the primary sex organ in which two major types of cells are present that are…

Q: What is the difference between spermiogenesis and spermiation?

A: The male reproductive gamete or cell is sperm. The sperm cell in animals is motile with a long…

Q: What is external fertilisation?

A: Fertilization is the process by which male and female gametes are fused together, initiating the…

Q: After the eighth week of development an embryos is referred to as what?

A: After the 8th week of development, the embryo is referred to as "fetus"

Q: Why would the absence of a father affect the timing of puberty?

A: Puberty is defined as the stage when a child starts to grow sexually. During this stage, physical…

Q: How does an estrous cycle differ from a menstrual cycle?In what animals are the two types of cycles…

A: Estrous cycle and menstrual cycle are two essential sexual cycles occurring in animals and these…

Q: why is polyspermy lethal in an egg cell?

A: Polyspermy is defined as the introduction of two or more sperm cells into the cytoplasm of an egg.